4021444441131 has 16 divisors (see below), whose sum is σ = 5774597525760. Its totient is φ = 2474642570400.

The previous prime is 4021444441117. The next prime is 4021444441151. The reversal of 4021444441131 is 1311444441204.

It is not a de Polignac number, because 4021444441131 - 2⁶ = 4021444441067 is a prime.

It is a super-2 number, since 2×4021444441131² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021444441092 and 4021444441101.

It is not an unprimeable number, because it can be changed into a prime (4021444441151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861901 + ... + 2964078.

It is an arithmetic number, because the mean of its divisors is an integer number (360912345360).

Almost surely, 2^{4021444441131} is an apocalyptic number.

4021444441131 is a deficient number, since it is larger than the sum of its proper divisors (1753153084629).

4021444441131 is a wasteful number, since it uses less digits than its factorization.

4021444441131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852946.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 4021444441131 its reverse (1311444441204), we get a palindrome (5332888882335).

The spelling of 4021444441131 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-one thousand, one hundred thirty-one".